<!--
 * Tencent is pleased to support the open source community by making BK-JOB生物智算平台 available.
 *
 * Copyright (C) 2021 THL A29 Limited, a Tencent company.  All rights reserved.
 *
 * BK-JOB生物智算平台 is licensed under the MIT License.
 *
 * License for BK-JOB生物智算平台:
 *
 *
 * Terms of the MIT License:
 * ---------------------------------------------------
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
 * documentation files (the "Software"), to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and
 * to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of
 * the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
 * THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
 * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
-->

<template>
  <jb-dialog
    class="choose-source-file"
    :esc-close="false"
    header-position="left"
    :mask-close="false"
    :title="$t('选择文件源文件')"
    :value="value"
    :width="1200"
    @input="handleCancle">
    <div v-bkloading="{ isLoading }">
      <component
        :is="panelCom"
        v-if="value"
        class="dialog-content"
        :file-location="fileLocation"
        :file-source-id="fileSourceId"
        @on-file-change="handelFileChange"
        @on-source-change="handleSourceChange" />
    </div>
    <template #footer>
      <bk-button
        class="mr10"
        :disabled="isSelectedEmpty"
        theme="primary"
        @click="handleSubmit">
        <span>{{ $t('添加') }}</span>
        <span
          v-if="!isSelectedEmpty"
          class="result-nums">{{ fileLocation.length }}</span>
      </bk-button>
      <bk-button @click="handleCancle">
        {{ $t('取消') }}
      </bk-button>
    </template>
  </jb-dialog>
</template>
<script>
  import SourceFileVO from '@domain/variable-object/source-file';

  import SelectFile from './select-file';
  import SelectFileSource from './select-file-source';

  const SELECT_FILE_SOURCE = 'selectFileSource';
  const SELECT_FILE = 'selectFile';

  export default {
    components: {
      SelectFileSource,
      SelectFile,
    },
    props: {
      value: {
        type: Boolean,
        defaule: false,
      },
      sourceFile: {
        type: Object,
        defaule: () => ({}),
      },
    },
    data() {
      return {
        isLoading: false,
        selectStep: SELECT_FILE_SOURCE,
        fileSourceId: '',
        fileLocation: [],
      };
    },
    computed: {
      panelCom() {
        if (!this.fileSourceId) {
          return SelectFileSource;
        }
        const comMap = {
          [SELECT_FILE_SOURCE]: SelectFileSource,
          [SELECT_FILE]: SelectFile,
        };
        return comMap[this.selectStep];
      },
      isSelectedEmpty() {
        return this.fileLocation.length < 1;
      },
    },
    watch: {
      value: {
        /**
         * @desc 显示源文件选择框
         *
         * 1，有指定fileSourceId进入编辑状态
         * 解析fileSourceId、bucketName，定位到已选的文件夹
         * 2，没有指定fileSourceId进行新建状态
         *  先选择文件源
         *
         */
        handler(value) {
          if (!value) {
            return;
          }
          if (this.sourceFile.fileSourceId) {
            const {
              fileSourceId,
              fileLocation,
            } = this.sourceFile;
            this.fileSourceId = fileSourceId;
            this.fileLocation = fileLocation;
            this.selectStep = SELECT_FILE;
          } else {
            this.fileSourceId = '';
            this.fileLocation = [];
            this.selectStep = SELECT_FILE_SOURCE;
          }
        },
        immediate: true,
      },
    },
    methods: {
      /**
       * @desc 选中文件源
       * @param {Object} fileSource 选中的文件源
       *
       * 选中fileSource时列表需要切换成bucket列表
       *
       */
      handleSourceChange(fileSource) {
        this.fileSourceId = fileSource.id;
        this.selectStep = SELECT_FILE;
        this.fileLocation = [];
      },
      /**
       * @desc 选中文件
       * @param {Array} fileLocation 选中的文件源
       */
      handelFileChange(fileLocation) {
        this.fileLocation = Object.freeze([...fileLocation]);
      },

      /**
       * @desc 确认按钮事件
       *
       * 选中文件后,过滤重新选择的文件与已选中文件
       * 数据传递到父组件,关闭对话框
       */
      handleSubmit() {
        const fileSourceObj = new SourceFileVO({
          fileSourceId: this.fileSourceId,
          fileType: 3,
          fileLocation: this.fileLocation,
        });
        this.$emit('on-change', fileSourceObj);
        this.handleCancle();
      },

      /**
       * @desc 取消按钮事件
       */
      handleCancle() {
        this.$emit('input', false);
      },

    },
  };
</script>
<style lang="postcss">
  .choose-source-file {
    .result-nums {
      display: inline-block;
      min-width: 18px;
      min-height: 18px;
      padding: 0 5px;
      font-size: 12px;
      line-height: 18px;
      color: var(--color-primary);
      text-align: center;
      background-color: #fff;
      border-radius: 10px;
    }

    .dialog-content {
      height: 570px;
    }
  }
</style>
